Differential D20123

Add a hw.model sysctl oid for arm64
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Authored by ganbold on May 1 2019, 5:50 AM.

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andrew
manu

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rS346993: Add a hw.model sysctl oid for arm64 which reports the CPU model similar to…

Summary

Add a hw.model sysctl oid for arm64 which reports the CPU model similar to armv6/7.

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rS FreeBSD src repository - subversion

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ganbold created this revision.May 1 2019, 5:50 AM

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Harbormaster completed remote builds in B24032: Diff 56901.May 1 2019, 5:50 AM

Comment and title should be:

Add a hw.model sysctl oid for arm64 which reports the CPU model similar to armv6/7.

ganbold retitled this revision from Add a hw.model sysctl oid for armv64 to Add a hw.model sysctl oid for arm64.May 1 2019, 5:52 AM

ganbold edited the summary of this revision. (Show Details)

How does this work in a big.LITTLE SoC?

This revision is now accepted and ready to land.May 1 2019, 12:41 PM

root@rockpro64:~ # sysctl hw.model
hw.model: ARM Cortex-A53 r0p4

This is the little cores, since we boot from it, it will always report this one.
I'm ok with this change but don't think that we should rely too much on the value.

Closed by commit rS346993: Add a hw.model sysctl oid for arm64 which reports the CPU model similar to… (authored by ganbold). · Explain WhyMay 1 2019, 2:20 PM

This revision was automatically updated to reflect the committed changes.

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head/

sys/

arm64/

identcpu.c

8 lines

Diff 56907

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head/sys/arm64/arm64/identcpu.c

Add a hw.model sysctl oid for arm64ClosedPublicActions